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  <title>Returns whether an iterator can be obtained for the current entry.</title>

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</div><hr /><div id="recursiveregexiterator.haschildren" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">RecursiveRegexIterator::hasChildren</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.2.0)</p><p class="refpurpose"><span class="refname">RecursiveRegexIterator::hasChildren</span> &mdash; <span class="dc-title">Returns whether an iterator can be obtained for the current entry.</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-recursiveregexiterator.haschildren-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><strong>RecursiveRegexIterator::hasChildren</strong></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   Returns whether an iterator can be obtained for the current entry. This iterator can be
   obtained via <span class="methodname"><a href="recursiveregexiterator.getchildren.html" class="methodname">RecursiveRegexIterator::getChildren()</a></span>.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-recursiveregexiterator.haschildren-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-recursiveregexiterator.haschildren-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code>TRUE</code></strong> if an iterator can be obtained for the current entry, otherwise returns <strong><code>FALSE</code></strong>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-recursiveregexiterator.haschildren-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-3807">
    <p><strong>Example #1 <span class="function"><strong>RecursiveRegexIterator::hasChildren()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$rArrayIterator&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">RecursiveArrayIterator</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'test1'</span><span style="color: #007700">,&nbsp;array(</span><span style="color: #DD0000">'tet3'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'test4'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'test5'</span><span style="color: #007700">)));<br /></span><span style="color: #0000BB">$rRegexIterator&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">RecursiveRegexIterator</span><span style="color: #007700">(</span><span style="color: #0000BB">$rArrayIterator</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'/^test/'</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">RecursiveRegexIterator</span><span style="color: #007700">::</span><span style="color: #0000BB">ALL_MATCHES</span><span style="color: #007700">);<br /><br />foreach&nbsp;(</span><span style="color: #0000BB">$rRegexIterator&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$value</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$rRegexIterator</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">hasChildren</span><span style="color: #007700">());<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
bool(false)
bool(true)
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-recursiveregexiterator.haschildren-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="recursiveregexiterator.getchildren.html" class="function" rel="rdfs-seeAlso">RecursiveRegexIterator::getChildren()</a> - Returns an iterator for the current entry.</span></li>
   </ul>
  </p>
 </div>


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